1966

2.1

2017

6.7

2007

5.7

2005

6.8

1992

6.3

2023

10.0

2008

8.0

1979

5.1

1991

6.7

2007

6.7

1931

7.5

2014

5.3

2018

6.3

1985

5.8

1984

6.3

1994

6.4

1992

6.9

1974

6.1

2004

6.4

1997

6.0